The Obama administration issued guidelines Monday that ban federal law enforcement from profiling on the basis of religion, national origin and other characteristics, protocols the Justice Department hopes could be a model for local departments as the nation tackles questions about the role race plays in policing.

Three men protesting the deaths of unarmed black men at the hands of white police officers in New York City and Ferguson, Missouri were arrested on Maryland’s Eastern shore just as an annual Christmas parade was about to start.

Hillary Rodham Clinton said Thursday the nation’s criminal justice system is “out of balance” and she supports federal reviews of police-involved deaths of black men in Ferguson, Missouri, and New York City.

Ferguson protesters in the District blocked traffic on Wednesday night following a separate grand jury decision not to indict the officer involved in the choke-hold death of an African American man in New York City.